Multiple Choice
The direct consequence of a CD40 protein on a B cell binding to a CD40 ligand on a T cell is
A) initiation of an intracellular signal required for B cell activation.
B) heavy-chain class switching in the B cell.
C) release of IL-2 from the T cell.
D) release of perforins and granzymes from the T cell.
Correct Answer:

Verified
Correct Answer:
Verified
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